Annotation of src/usr.bin/netstat/inet.c, Revision 1.31
1.31 ! provos 1: /* $OpenBSD: inet.c,v 1.30 1999/02/24 22:57:34 angelos Exp $ */
1.1 deraadt 2: /* $NetBSD: inet.c,v 1.14 1995/10/03 21:42:37 thorpej Exp $ */
3:
4: /*
5: * Copyright (c) 1983, 1988, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: */
36:
37: #ifndef lint
38: #if 0
39: static char sccsid[] = "from: @(#)inet.c 8.4 (Berkeley) 4/20/94";
40: #else
1.31 ! provos 41: static char *rcsid = "$OpenBSD: inet.c,v 1.30 1999/02/24 22:57:34 angelos Exp $";
1.1 deraadt 42: #endif
43: #endif /* not lint */
44:
45: #include <sys/param.h>
46: #include <sys/queue.h>
47: #include <sys/socket.h>
48: #include <sys/socketvar.h>
49: #include <sys/mbuf.h>
50: #include <sys/protosw.h>
51:
52: #include <net/route.h>
53: #include <netinet/in.h>
54: #include <netinet/in_systm.h>
55: #include <netinet/ip.h>
56: #include <netinet/in_pcb.h>
57: #include <netinet/ip_icmp.h>
58: #include <netinet/icmp_var.h>
59: #include <netinet/igmp_var.h>
60: #include <netinet/ip_var.h>
61: #include <netinet/tcp.h>
62: #include <netinet/tcpip.h>
63: #include <netinet/tcp_seq.h>
64: #define TCPSTATES
65: #include <netinet/tcp_fsm.h>
66: #include <netinet/tcp_timer.h>
67: #include <netinet/tcp_var.h>
68: #include <netinet/tcp_debug.h>
69: #include <netinet/udp.h>
70: #include <netinet/udp_var.h>
1.30 angelos 71: #include <netinet/ip_ipsp.h>
1.10 angelos 72: #include <netinet/ip_ah.h>
73: #include <netinet/ip_esp.h>
74: #include <netinet/ip_ip4.h>
1.1 deraadt 75:
76: #include <arpa/inet.h>
1.18 millert 77: #include <limits.h>
1.1 deraadt 78: #include <netdb.h>
79: #include <stdio.h>
80: #include <string.h>
81: #include <unistd.h>
1.14 dgregor 82: #include <stdlib.h>
1.1 deraadt 83: #include "netstat.h"
84:
1.5 deraadt 85: #include <rpc/rpc.h>
86: #include <rpc/pmap_prot.h>
87: #include <rpc/pmap_clnt.h>
88:
1.1 deraadt 89: struct inpcb inpcb;
90: struct tcpcb tcpcb;
91: struct socket sockb;
92:
93: char *inetname __P((struct in_addr *));
1.5 deraadt 94: void inetprint __P((struct in_addr *, int, char *, int));
1.1 deraadt 95:
96: /*
97: * Print a summary of connections related to an Internet
98: * protocol. For TCP, also give state of connection.
99: * Listening processes (aflag) are suppressed unless the
100: * -a (all) flag is specified.
101: */
102: void
103: protopr(off, name)
104: u_long off;
105: char *name;
106: {
107: struct inpcbtable table;
108: register struct inpcb *head, *next, *prev;
109: struct inpcb inpcb;
110: int istcp;
111: static int first = 1;
112:
113: if (off == 0)
114: return;
115: istcp = strcmp(name, "tcp") == 0;
116: kread(off, (char *)&table, sizeof table);
117: prev = head =
118: (struct inpcb *)&((struct inpcbtable *)off)->inpt_queue.cqh_first;
119: next = table.inpt_queue.cqh_first;
120:
121: while (next != head) {
122: kread((u_long)next, (char *)&inpcb, sizeof inpcb);
123: if (inpcb.inp_queue.cqe_prev != prev) {
124: printf("???\n");
125: break;
126: }
127: prev = next;
128: next = inpcb.inp_queue.cqe_next;
129:
130: if (!aflag &&
131: inet_lnaof(inpcb.inp_laddr) == INADDR_ANY)
132: continue;
133: kread((u_long)inpcb.inp_socket, (char *)&sockb, sizeof (sockb));
134: if (istcp) {
135: kread((u_long)inpcb.inp_ppcb,
136: (char *)&tcpcb, sizeof (tcpcb));
137: }
138: if (first) {
139: printf("Active Internet connections");
140: if (aflag)
141: printf(" (including servers)");
142: putchar('\n');
143: if (Aflag)
1.29 deraadt 144: printf("%-*.*s %-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n",
1.18 millert 145: PLEN, PLEN, "PCB", "Proto", "Recv-Q",
1.29 deraadt 146: "Send-Q", "Local Address",
147: "Foreign Address", "(state)");
1.18 millert 148: else
149: printf("%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
150: "Proto", "Recv-Q", "Send-Q",
151: "Local Address", "Foreign Address",
152: "(state)");
1.1 deraadt 153: first = 0;
154: }
155: if (Aflag)
156: if (istcp)
1.18 millert 157: printf("%*p ", PLEN, inpcb.inp_ppcb);
1.1 deraadt 158: else
1.18 millert 159: printf("%*p ", PLEN, prev);
1.16 millert 160: printf("%-5.5s %6ld %6ld ", name, sockb.so_rcv.sb_cc,
1.1 deraadt 161: sockb.so_snd.sb_cc);
1.5 deraadt 162: inetprint(&inpcb.inp_laddr, (int)inpcb.inp_lport, name, 1);
163: inetprint(&inpcb.inp_faddr, (int)inpcb.inp_fport, name, 0);
1.1 deraadt 164: if (istcp) {
165: if (tcpcb.t_state < 0 || tcpcb.t_state >= TCP_NSTATES)
166: printf(" %d", tcpcb.t_state);
167: else
168: printf(" %s", tcpstates[tcpcb.t_state]);
169: }
170: putchar('\n');
171: }
172: }
173:
174: /*
175: * Dump TCP statistics structure.
176: */
177: void
178: tcp_stats(off, name)
179: u_long off;
180: char *name;
181: {
182: struct tcpstat tcpstat;
183:
184: if (off == 0)
185: return;
186: printf ("%s:\n", name);
187: kread(off, (char *)&tcpstat, sizeof (tcpstat));
188:
189: #define p(f, m) if (tcpstat.f || sflag <= 1) \
190: printf(m, tcpstat.f, plural(tcpstat.f))
191: #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
192: printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2))
193: #define p3(f, m) if (tcpstat.f || sflag <= 1) \
194: printf(m, tcpstat.f, plurales(tcpstat.f))
195:
1.16 millert 196: p(tcps_sndtotal, "\t%ld packet%s sent\n");
1.1 deraadt 197: p2(tcps_sndpack,tcps_sndbyte,
1.16 millert 198: "\t\t%ld data packet%s (%qd byte%s)\n");
1.1 deraadt 199: p2(tcps_sndrexmitpack, tcps_sndrexmitbyte,
1.16 millert 200: "\t\t%ld data packet%s (%qd byte%s) retransmitted\n");
1.26 provos 201: p(tcps_sndrexmitfast, "\t\t%qd fast retransmitted packet%s\n");
1.1 deraadt 202: p2(tcps_sndacks, tcps_delack,
1.16 millert 203: "\t\t%ld ack-only packet%s (%ld delayed)\n");
204: p(tcps_sndurg, "\t\t%ld URG only packet%s\n");
205: p(tcps_sndprobe, "\t\t%ld window probe packet%s\n");
206: p(tcps_sndwinup, "\t\t%ld window update packet%s\n");
207: p(tcps_sndctrl, "\t\t%ld control packet%s\n");
208: p(tcps_rcvtotal, "\t%ld packet%s received\n");
209: p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%ld ack%s (for %qd byte%s)\n");
210: p(tcps_rcvdupack, "\t\t%ld duplicate ack%s\n");
211: p(tcps_rcvacktoomuch, "\t\t%ld ack%s for unsent data\n");
1.1 deraadt 212: p2(tcps_rcvpack, tcps_rcvbyte,
1.16 millert 213: "\t\t%ld packet%s (%qd byte%s) received in-sequence\n");
1.1 deraadt 214: p2(tcps_rcvduppack, tcps_rcvdupbyte,
1.16 millert 215: "\t\t%ld completely duplicate packet%s (%qd byte%s)\n");
216: p(tcps_pawsdrop, "\t\t%ld old duplicate packet%s\n");
1.1 deraadt 217: p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
1.16 millert 218: "\t\t%ld packet%s with some dup. data (%qd byte%s duped)\n");
1.1 deraadt 219: p2(tcps_rcvoopack, tcps_rcvoobyte,
1.16 millert 220: "\t\t%ld out-of-order packet%s (%qd byte%s)\n");
1.1 deraadt 221: p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
1.16 millert 222: "\t\t%ld packet%s (%qd byte%s) of data after window\n");
223: p(tcps_rcvwinprobe, "\t\t%ld window probe%s\n");
224: p(tcps_rcvwinupd, "\t\t%ld window update packet%s\n");
225: p(tcps_rcvafterclose, "\t\t%ld packet%s received after close\n");
226: p(tcps_rcvbadsum, "\t\t%ld discarded for bad checksum%s\n");
227: p(tcps_rcvbadoff, "\t\t%ld discarded for bad header offset field%s\n");
228: p(tcps_rcvshort, "\t\t%ld discarded because packet too short\n");
1.31 ! provos 229: p(tcps_rcvnosec, "\t\t%ld discarded for missing IPSec protection\n");
1.16 millert 230: p(tcps_connattempt, "\t%ld connection request%s\n");
231: p(tcps_accepts, "\t%ld connection accept%s\n");
232: p(tcps_connects, "\t%ld connection%s established (including accepts)\n");
1.1 deraadt 233: p2(tcps_closed, tcps_drops,
1.16 millert 234: "\t%ld connection%s closed (including %ld drop%s)\n");
235: p(tcps_conndrops, "\t%ld embryonic connection%s dropped\n");
1.1 deraadt 236: p2(tcps_rttupdated, tcps_segstimed,
1.16 millert 237: "\t%ld segment%s updated rtt (of %ld attempt%s)\n");
238: p(tcps_rexmttimeo, "\t%ld retransmit timeout%s\n");
239: p(tcps_timeoutdrop, "\t\t%ld connection%s dropped by rexmit timeout\n");
240: p(tcps_persisttimeo, "\t%ld persist timeout%s\n");
241: p(tcps_keeptimeo, "\t%ld keepalive timeout%s\n");
242: p(tcps_keepprobe, "\t\t%ld keepalive probe%s sent\n");
243: p(tcps_keepdrops, "\t\t%ld connection%s dropped by keepalive\n");
244: p(tcps_predack, "\t%ld correct ACK header prediction%s\n");
245: p(tcps_preddat, "\t%ld correct data packet header prediction%s\n");
246: p3(tcps_pcbhashmiss, "\t%ld PCB cache miss%s\n");
1.24 angelos 247: p(tcps_badsyn, "\t%ld SYN packet%s received with same src/dst address/port\n");
1.1 deraadt 248: #undef p
249: #undef p2
250: #undef p3
251: }
252:
253: /*
254: * Dump UDP statistics structure.
255: */
256: void
257: udp_stats(off, name)
258: u_long off;
259: char *name;
260: {
261: struct udpstat udpstat;
262: u_long delivered;
263:
264: if (off == 0)
265: return;
266: kread(off, (char *)&udpstat, sizeof (udpstat));
267: printf("%s:\n", name);
268: #define p(f, m) if (udpstat.f || sflag <= 1) \
269: printf(m, udpstat.f, plural(udpstat.f))
1.16 millert 270: p(udps_ipackets, "\t%lu datagram%s received\n");
271: p(udps_hdrops, "\t%lu with incomplete header\n");
272: p(udps_badlen, "\t%lu with bad data length field\n");
273: p(udps_badsum, "\t%lu with bad checksum\n");
1.27 deraadt 274: p(udps_nosum, "\t%lu with no checksum\n");
1.16 millert 275: p(udps_noport, "\t%lu dropped due to no socket\n");
276: p(udps_noportbcast, "\t%lu broadcast/multicast datagram%s dropped due to no socket\n");
1.31 ! provos 277: p(udps_nosec, "\t%lu dropped due to missing IPSec protection\n");
1.16 millert 278: p(udps_fullsock, "\t%lu dropped due to full socket buffers\n");
1.1 deraadt 279: delivered = udpstat.udps_ipackets -
280: udpstat.udps_hdrops -
281: udpstat.udps_badlen -
282: udpstat.udps_badsum -
283: udpstat.udps_noport -
284: udpstat.udps_noportbcast -
285: udpstat.udps_fullsock;
286: if (delivered || sflag <= 1)
1.16 millert 287: printf("\t%lu delivered\n", delivered);
288: p(udps_opackets, "\t%lu datagram%s output\n");
1.22 provos 289: p(udps_pcbhashmiss, "\t%lu missed PCB cache\n");
1.1 deraadt 290: #undef p
291: }
292:
293: /*
294: * Dump IP statistics structure.
295: */
296: void
297: ip_stats(off, name)
298: u_long off;
299: char *name;
300: {
301: struct ipstat ipstat;
302:
303: if (off == 0)
304: return;
305: kread(off, (char *)&ipstat, sizeof (ipstat));
306: printf("%s:\n", name);
307:
308: #define p(f, m) if (ipstat.f || sflag <= 1) \
309: printf(m, ipstat.f, plural(ipstat.f))
310:
1.16 millert 311: p(ips_total, "\t%lu total packet%s received\n");
312: p(ips_badsum, "\t%lu bad header checksum%s\n");
313: p(ips_toosmall, "\t%lu with size smaller than minimum\n");
314: p(ips_tooshort, "\t%lu with data size < data length\n");
315: p(ips_badhlen, "\t%lu with header length < data size\n");
316: p(ips_badlen, "\t%lu with data length < header length\n");
317: p(ips_badoptions, "\t%lu with bad options\n");
318: p(ips_badvers, "\t%lu with incorrect version number\n");
319: p(ips_fragments, "\t%lu fragment%s received\n");
320: p(ips_fragdropped, "\t%lu fragment%s dropped (dup or out of space)\n");
321: p(ips_badfrags, "\t%lu malformed fragment%s dropped\n");
322: p(ips_fragtimeout, "\t%lu fragment%s dropped after timeout\n");
323: p(ips_reassembled, "\t%lu packet%s reassembled ok\n");
324: p(ips_delivered, "\t%lu packet%s for this host\n");
325: p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n");
326: p(ips_forward, "\t%lu packet%s forwarded\n");
327: p(ips_cantforward, "\t%lu packet%s not forwardable\n");
328: p(ips_redirectsent, "\t%lu redirect%s sent\n");
329: p(ips_localout, "\t%lu packet%s sent from this host\n");
330: p(ips_rawout, "\t%lu packet%s sent with fabricated ip header\n");
331: p(ips_odropped, "\t%lu output packet%s dropped due to no bufs, etc.\n");
332: p(ips_noroute, "\t%lu output packet%s discarded due to no route\n");
333: p(ips_fragmented, "\t%lu output datagram%s fragmented\n");
334: p(ips_ofragments, "\t%lu fragment%s created\n");
335: p(ips_cantfrag, "\t%lu datagram%s that can't be fragmented\n");
1.28 deraadt 336: p(ips_rcvmemdrop, "\t%lu fragment floods\n");
1.1 deraadt 337: #undef p
338: }
339:
340: static char *icmpnames[] = {
341: "echo reply",
342: "#1",
343: "#2",
344: "destination unreachable",
345: "source quench",
346: "routing redirect",
347: "#6",
348: "#7",
349: "echo",
1.9 deraadt 350: "router advertisement",
351: "router solicitation",
1.1 deraadt 352: "time exceeded",
353: "parameter problem",
354: "time stamp",
355: "time stamp reply",
356: "information request",
357: "information request reply",
358: "address mask request",
359: "address mask reply",
360: };
361:
362: /*
363: * Dump ICMP statistics.
364: */
365: void
366: icmp_stats(off, name)
367: u_long off;
368: char *name;
369: {
370: struct icmpstat icmpstat;
371: register int i, first;
372:
373: if (off == 0)
374: return;
375: kread(off, (char *)&icmpstat, sizeof (icmpstat));
376: printf("%s:\n", name);
377:
378: #define p(f, m) if (icmpstat.f || sflag <= 1) \
379: printf(m, icmpstat.f, plural(icmpstat.f))
380:
1.16 millert 381: p(icps_error, "\t%lu call%s to icmp_error\n");
1.1 deraadt 382: p(icps_oldicmp,
1.16 millert 383: "\t%lu error%s not generated 'cuz old message was icmp\n");
1.1 deraadt 384: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
385: if (icmpstat.icps_outhist[i] != 0) {
386: if (first) {
387: printf("\tOutput histogram:\n");
388: first = 0;
389: }
1.16 millert 390: printf("\t\t%s: %lu\n", icmpnames[i],
1.1 deraadt 391: icmpstat.icps_outhist[i]);
392: }
1.16 millert 393: p(icps_badcode, "\t%lu message%s with bad code fields\n");
394: p(icps_tooshort, "\t%lu message%s < minimum length\n");
395: p(icps_checksum, "\t%lu bad checksum%s\n");
396: p(icps_badlen, "\t%lu message%s with bad length\n");
1.1 deraadt 397: for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
398: if (icmpstat.icps_inhist[i] != 0) {
399: if (first) {
400: printf("\tInput histogram:\n");
401: first = 0;
402: }
1.16 millert 403: printf("\t\t%s: %lu\n", icmpnames[i],
1.1 deraadt 404: icmpstat.icps_inhist[i]);
405: }
1.16 millert 406: p(icps_reflect, "\t%lu message response%s generated\n");
1.1 deraadt 407: #undef p
408: }
409:
410: /*
411: * Dump IGMP statistics structure.
412: */
413: void
414: igmp_stats(off, name)
415: u_long off;
416: char *name;
417: {
418: struct igmpstat igmpstat;
419:
420: if (off == 0)
421: return;
422: kread(off, (char *)&igmpstat, sizeof (igmpstat));
423: printf("%s:\n", name);
424:
425: #define p(f, m) if (igmpstat.f || sflag <= 1) \
426: printf(m, igmpstat.f, plural(igmpstat.f))
427: #define py(f, m) if (igmpstat.f || sflag <= 1) \
428: printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y")
1.16 millert 429: p(igps_rcv_total, "\t%lu message%s received\n");
430: p(igps_rcv_tooshort, "\t%lu message%s received with too few bytes\n");
431: p(igps_rcv_badsum, "\t%lu message%s received with bad checksum\n");
432: py(igps_rcv_queries, "\t%lu membership quer%s received\n");
433: py(igps_rcv_badqueries, "\t%lu membership quer%s received with invalid field(s)\n");
434: p(igps_rcv_reports, "\t%lu membership report%s received\n");
435: p(igps_rcv_badreports, "\t%lu membership report%s received with invalid field(s)\n");
436: p(igps_rcv_ourreports, "\t%lu membership report%s received for groups to which we belong\n");
437: p(igps_snd_reports, "\t%lu membership report%s sent\n");
1.1 deraadt 438: #undef p
439: #undef py
440: }
441:
1.5 deraadt 442: struct rpcnams {
443: struct rpcnams *next;
1.16 millert 444: in_port_t port;
1.21 deraadt 445: int proto;
1.5 deraadt 446: char *rpcname;
447: };
448:
449: char *
1.21 deraadt 450: getrpcportnam(port, proto)
1.16 millert 451: in_port_t port;
1.21 deraadt 452: int proto;
1.5 deraadt 453: {
454: struct sockaddr_in server_addr;
455: register struct hostent *hp;
456: static struct pmaplist *head;
457: int socket = RPC_ANYSOCK;
458: struct timeval minutetimeout;
459: register CLIENT *client;
460: struct rpcent *rpc;
461: static int first;
462: static struct rpcnams *rpcn;
463: struct rpcnams *n;
1.23 deraadt 464: char num[20];
1.5 deraadt 465:
466: if (first == 0) {
467: first = 1;
1.7 deraadt 468: memset((char *)&server_addr, 0, sizeof server_addr);
1.5 deraadt 469: server_addr.sin_family = AF_INET;
470: if ((hp = gethostbyname("localhost")) != NULL)
1.7 deraadt 471: memmove((caddr_t)&server_addr.sin_addr, hp->h_addr,
1.5 deraadt 472: hp->h_length);
473: else
474: (void) inet_aton("0.0.0.0", &server_addr.sin_addr);
475:
476: minutetimeout.tv_sec = 60;
477: minutetimeout.tv_usec = 0;
478: server_addr.sin_port = htons(PMAPPORT);
479: if ((client = clnttcp_create(&server_addr, PMAPPROG,
1.7 deraadt 480: PMAPVERS, &socket, 50, 500)) == NULL)
481: return (NULL);
1.5 deraadt 482: if (clnt_call(client, PMAPPROC_DUMP, xdr_void, NULL,
1.8 deraadt 483: xdr_pmaplist, &head, minutetimeout) != RPC_SUCCESS) {
1.7 deraadt 484: clnt_destroy(client);
485: return (NULL);
1.5 deraadt 486: }
487: for (; head != NULL; head = head->pml_next) {
488: n = (struct rpcnams *)malloc(sizeof(struct rpcnams));
489: if (n == NULL)
490: continue;
491: n->next = rpcn;
492: rpcn = n;
493: n->port = head->pml_map.pm_port;
1.21 deraadt 494: n->proto = head->pml_map.pm_prot;
1.5 deraadt 495:
496: rpc = getrpcbynumber(head->pml_map.pm_prog);
497: if (rpc)
498: n->rpcname = strdup(rpc->r_name);
499: else {
1.23 deraadt 500: snprintf(num, sizeof num, "%ld",
501: head->pml_map.pm_prog);
1.5 deraadt 502: n->rpcname = strdup(num);
503: }
504: }
505: clnt_destroy(client);
506: }
507:
508: for (n = rpcn; n; n = n->next)
1.21 deraadt 509: if (n->port == port && n->proto == proto)
1.5 deraadt 510: return (n->rpcname);
511: return (NULL);
512: }
513:
1.1 deraadt 514: /*
515: * Pretty print an Internet address (net address + port).
516: * If the nflag was specified, use numbers instead of names.
517: */
518: void
1.5 deraadt 519: inetprint(in, port, proto, local)
1.1 deraadt 520: register struct in_addr *in;
1.16 millert 521: in_port_t port;
1.1 deraadt 522: char *proto;
1.5 deraadt 523: int local;
1.1 deraadt 524: {
525: struct servent *sp = 0;
1.5 deraadt 526: char line[80], *cp, *nam;
1.21 deraadt 527: int proton;
1.1 deraadt 528: int width;
529:
1.23 deraadt 530: snprintf(line, sizeof line, "%.*s.", (Aflag && !nflag) ? 12 : 16,
531: inetname(in));
1.4 millert 532: cp = strchr(line, '\0');
1.1 deraadt 533: if (!nflag && port)
534: sp = getservbyport((int)port, proto);
535: if (sp || port == 0)
1.23 deraadt 536: snprintf(cp, line + sizeof line - cp, "%.8s",
537: sp ? sp->s_name : "*");
1.21 deraadt 538: else if (local && !nflag && (nam = getrpcportnam(ntohs(port),
539: (strcmp(proto, "tcp") == 0 ? IPPROTO_TCP : IPPROTO_UDP))))
1.23 deraadt 540: snprintf(cp, line + sizeof line - cp, "%d[%.8s]",
541: ntohs(port), nam);
1.1 deraadt 542: else
1.23 deraadt 543: snprintf(cp, line + sizeof line - cp, "%d", ntohs(port));
1.1 deraadt 544: width = Aflag ? 18 : 22;
545: printf(" %-*.*s", width, width, line);
546: }
547:
548: /*
549: * Construct an Internet address representation.
550: * If the nflag has been supplied, give
551: * numeric value, otherwise try for symbolic name.
552: */
553: char *
554: inetname(inp)
555: struct in_addr *inp;
556: {
557: register char *cp;
558: static char line[50];
559: struct hostent *hp;
560: struct netent *np;
561: static char domain[MAXHOSTNAMELEN + 1];
562: static int first = 1;
563:
564: if (first && !nflag) {
565: first = 0;
566: if (gethostname(domain, MAXHOSTNAMELEN) == 0 &&
1.4 millert 567: (cp = strchr(domain, '.')))
1.1 deraadt 568: (void) strcpy(domain, cp + 1);
569: else
570: domain[0] = 0;
571: }
572: cp = 0;
573: if (!nflag && inp->s_addr != INADDR_ANY) {
574: int net = inet_netof(*inp);
575: int lna = inet_lnaof(*inp);
576:
577: if (lna == INADDR_ANY) {
578: np = getnetbyaddr(net, AF_INET);
579: if (np)
580: cp = np->n_name;
581: }
582: if (cp == 0) {
583: hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
584: if (hp) {
1.4 millert 585: if ((cp = strchr(hp->h_name, '.')) &&
1.1 deraadt 586: !strcmp(cp + 1, domain))
587: *cp = 0;
588: cp = hp->h_name;
589: }
590: }
591: }
592: if (inp->s_addr == INADDR_ANY)
1.23 deraadt 593: snprintf(line, sizeof line, "*");
1.1 deraadt 594: else if (cp)
1.23 deraadt 595: snprintf(line, sizeof line, "%s", cp);
1.1 deraadt 596: else {
597: inp->s_addr = ntohl(inp->s_addr);
598: #define C(x) ((x) & 0xff)
1.23 deraadt 599: snprintf(line, sizeof line, "%u.%u.%u.%u",
600: C(inp->s_addr >> 24), C(inp->s_addr >> 16),
601: C(inp->s_addr >> 8), C(inp->s_addr));
1.1 deraadt 602: }
603: return (line);
1.10 angelos 604: }
605:
606: /*
607: * Dump AH statistics structure.
608: */
609: void
610: ah_stats(off, name)
611: u_long off;
612: char *name;
613: {
614: struct ahstat ahstat;
615:
616: if (off == 0)
617: return;
618: kread(off, (char *)&ahstat, sizeof (ahstat));
619: printf("%s:\n", name);
620:
621: #define p(f, m) if (ahstat.f || sflag <= 1) \
622: printf(m, ahstat.f, plural(ahstat.f))
623:
1.11 angelos 624: p(ahs_input, "\t%u input AH packets\n");
625: p(ahs_output, "\t%u output AH packets\n");
1.10 angelos 626: p(ahs_hdrops, "\t%u packet%s shorter than header shows\n");
627: p(ahs_notdb, "\t%u packet%s for which no TDB was found\n");
628: p(ahs_badkcr, "\t%u input packet%s that failed to be processed\n");
629: p(ahs_badauth, "\t%u packet%s that failed verification received\n");
630: p(ahs_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
1.19 provos 631: p(ahs_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.10 angelos 632: p(ahs_wrap, "\t%u packet%s where counter wrapping was detected\n");
633: p(ahs_replay, "\t%u possibly replayed packet%s received\n");
634: p(ahs_badauthl, "\t%u packet%s with bad authenticator length received\n");
1.15 provos 635: p(ahs_invalid, "\t%u packet%s attempted to use an invalid tdb\n");
1.25 niklas 636: p(ahs_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.20 angelos 637: p(ahs_ibytes, "\t%qu input byte%s\n");
638: p(ahs_obytes, "\t%qu output byte%s\n");
639:
1.10 angelos 640: #undef p
641: }
642:
643: /*
644: * Dump ESP statistics structure.
645: */
646: void
647: esp_stats(off, name)
648: u_long off;
649: char *name;
650: {
651: struct espstat espstat;
652:
1.20 angelos 653:
1.10 angelos 654: if (off == 0)
655: return;
656: kread(off, (char *)&espstat, sizeof (espstat));
657: printf("%s:\n", name);
658:
659: #define p(f, m) if (espstat.f || sflag <= 1) \
660: printf(m, espstat.f, plural(espstat.f))
661:
1.12 angelos 662: p(esps_input, "\t%u input ESP packets\n");
663: p(esps_output, "\t%u output ESP packets\n");
1.10 angelos 664: p(esps_hdrops, "\t%u packet%s shorter than header shows\n");
665: p(esps_notdb, "\t%u packet%s for which no TDB was found\n");
666: p(esps_badkcr, "\t%u input packet%s that failed to be processed\n");
667: p(esps_badauth, "\t%u packet%s that failed verification received\n");
668: p(esps_noxform, "\t%u packet%s for which no XFORM was set in TDB received\n");
1.19 provos 669: p(esps_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.10 angelos 670: p(esps_wrap, "\t%u packet%s where counter wrapping was detected\n");
671: p(esps_replay, "\t%u possibly replayed packet%s received\n");
672: p(esps_badilen, "\t%u packet%s with payload not a multiple of 8 received\n");
1.15 provos 673: p(esps_invalid, "\t%u packet%s attempted to use an invalid tdb\n");
1.25 niklas 674: p(esps_toobig, "\t%u packet%s got larger than max IP packet size\n");
1.20 angelos 675: p(esps_ibytes, "\t%qu input byte%s\n");
676: p(esps_obytes, "\t%qu output byte%s\n");
1.10 angelos 677:
678: #undef p
679: }
680:
681: /*
682: * Dump ESP statistics structure.
683: */
684: void
685: ip4_stats(off, name)
686: u_long off;
687: char *name;
688: {
689: struct ip4stat ip4stat;
690:
691: if (off == 0)
692: return;
693: kread(off, (char *)&ip4stat, sizeof (ip4stat));
694: printf("%s:\n", name);
695:
696: #define p(f, m) if (ip4stat.f || sflag <= 1) \
697: printf(m, ip4stat.f, plural(ip4stat.f))
698:
699: p(ip4s_ipackets, "\t%u total input packet%s\n");
1.11 angelos 700: p(ip4s_opackets, "\t%u total output packet%s\n");
1.10 angelos 701: p(ip4s_hdrops, "\t%u packet%s shorter than header shows\n");
702: p(ip4s_notip4, "\t%u packet%s with internal header not IPv4 received\n");
1.19 provos 703: p(ip4s_qfull, "\t%u packet%s were dropped due to full output queue\n");
1.20 angelos 704: p(ip4s_ibytes, "\t%qu input byte%s\n");
705: p(ip4s_obytes, "\t%qu output byte%s\n");
1.10 angelos 706:
707: #undef p
1.1 deraadt 708: }
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